| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.028 | 22.227,06 | 21,62 | 3 |
| 2007 | 811 | 22.492,96 | 27,73 | 3 |
| 2008 | 901 | 22.656,85 | 25,15 | 3 |
| 2009 | 1.205 | 26.988,32 | 22,40 | 5 |
| 2010 | 1.135 | 21.763,92 | 19,18 | 5 |
| 2011 | 1.070 | 20.157,25 | 18,84 | 4 |
| 2012 | 1.032 | 21.285,02 | 20,63 | 4 |
| 2013 | 1.045 | 18.974,85 | 18,16 | 5 |
| 2014 | 1.033 | 22.209,30 | 21,50 | 4 |
| 2015 | 1.023 | 22.965,49 | 22,45 | 4 |
| 2016 | 993 | 23.475,53 | 23,64 | 4 |
| 2017 | 994 | 24.070,88 | 24,22 | 4 |
| 2018 | 902 | 21.310,08 | 23,63 | 3 |
| 2019 | 855 | 21.676,57 | 25,35 | 3 |
| 2020 | 829 | 22.277,34 | 26,87 | 3 |
| 2021 | 831 | 22.170,89 | 26,68 | 4 |
| 2022 | 815 | 21.403,58 | 26,26 | 5 |
| 2023 | 884 | 23.742,78 | 26,86 | 9 |
| 2024 | 959 | 24.313,87 | 25,35 | 13 |
| totale | 18.345 | 426.162,54 | 23,23 | 88 |